Review of Discrete Signals and Systems- Introduction to DFT – Properties of DFT – Circular Convolution - FFT Algorithms –Decimation in time Algorithms, Decimation in frequency Algorithms – Overlap-add & overlap-save methods.
Analog filters – Butterworth filters, Chebyshev Type I filters (upto 3rd order), Analog Transformation of prototype LPF to BPF /BSF/ HPF. Transformation of analog filters into equivalent digital filters using Impulse invariant method and Bilinear transform method- Realization structures for IIR filters – direct, cascade, parallel forms.
Design of Linear phase FIR filter – Filter design using Rectangular Window, Hamming Window, Hanning Window, Blackman window-Frequency sampling techniques, Realization structures for FIR filters – Transversal and Linear phase structures- Comparison of FIR & IIR.
Representation of numbers-ADC Quantization noise-Coefficient Quantization error-Product Quantization error-truncation & rounding errors -Limit cycle due to product round-off error- Roundoff noise power-limit cycle oscillation due to overflow in digital filters- Principle of scaling. DSP Processor- Fixed and Floating point architecture principles.
Multirate signal processing: Decimation, Interpolation, Sampling rate conversion by a rational factor – Applications of Multirate signal processing. Introduction to Wavelets- Applications. Adaptive Filters: Introduction, Types of adaptive filters, Applications of adaptive filtering to equalization.
Reference Book:
1. E.C. Ifeachor and B.W. Jervis, “Digital signal processing – A practical approach”, Second edition, Pearson, 2002. 2. M.H.Hayes, "Digital Signal Processing", Schaum’s outlines, Tata McGraw Hill, 2007. 3. S.Salivahanan, A.Vallavaraj, C.Gnanapriya, Digital Signal processing, TMH/McGraw Hill International, 2007. 4. S.K. Mitra," Digital Signal Processing", A Computer Based approach, Tata McGraw-Hill, 1998. 5. P.P.Vaidyanathan, Multirate Systems & Filter Banks, Prentice Hall, Englewood cliffs, NJ, 1993. 6. B.Venkataramani& M-Bhaskar- Digital Signal Processor Architecture- Programming and Application- TMH 2002.
Text Book:
1. John G Proakis and Manolakis, “Digital Signal Processing Principles, Algorithms and Applications”, Pearson, Fourth Edition, 2007. 2. A.V.Oppenheim, R.W. Schafer and J.R. Buck, "Discrete Time Signal Processing", Pearson, 8th Indian Reprint, 2004.